This is the Lectron Pro 11.1V 3S 3000mAh 30C LiPo with EC3 connector for Blade 350 QX2, QX3, and Parkzone Planes like the T-28 Trojan, F4U-A1 Corsair, Spitfire, F-27Q Stryker, and many others. This battery can be used in place of the E-Flite EFLB30003S30 battery in any application the E-Flite battery is currently being used. This battery has been tested and rated at a 90-amp continuous discharge rate.